19851174

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 50897808

約数和(自身を除く): 31046634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 71, 98, 126, 142, 147, 213, 294, 317, 426, 441, 497, 634, 639, 882, 951, 994, 1278, 1491, 1902, 2219, 2853, 2982, 3479, 4438, 4473, 5706, 6657, 6958, 8946, 10437, 13314, 15533, 19971, 20874, 22507, 31066, 31311, 39942, 45014, 46599, 62622, 67521, 93198, 135042, 139797, 157549, 202563, 279594, 315098, 405126, 472647, 945294, 1102843, 1417941, 2205686, 2835882, 3308529, 6617058, 9925587, 19851174]

約数ペア:

[(1, 19851174), (2, 9925587), (3, 6617058), (6, 3308529), (7, 2835882), (9, 2205686), (14, 1417941), (18, 1102843), (21, 945294), (42, 472647), (49, 405126), (63, 315098), (71, 279594), (98, 202563), (126, 157549), (142, 139797), (147, 135042), (213, 93198), (294, 67521), (317, 62622), (426, 46599), (441, 45014), (497, 39942), (634, 31311), (639, 31066), (882, 22507), (951, 20874), (994, 19971), (1278, 15533), (1491, 13314), (1902, 10437), (2219, 8946), (2853, 6958), (2982, 6657), (3479, 5706), (4438, 4473)]